Welcome to Ultimate Security and Investigation Ltd

Providing security and fire safety services in Carlisle, Cumbria, South West Scotland and Northern England

Ultimate Security and Investigation is a family run company with an extensive police and fire service background providing a wide range of securityinvestigative services, contingency planning and fire risk assessment services in Carlisle, Cumbria, South West Scotland and Northern England.

We specialise in providing businesses, organisations and individuals with one or a combinations of the following services, whichever best suits their needs:




All of our security officers, private investigators and security systems are fully licensed by the Security Industry Authority (SIA) and we employ only experienced, reliable professionals.



“Ultimate security provide a number of services to our student accommodation sites locally and in Scotland. They tailor their services to meet with our business needs and they offer a high standard of professionalism across all of the service provision we require from Ultimate. Nothing is too much trouble and this is why we will continue to use their services as our business to continues grow.”- Fiona Stewart, Derwent Student Services. 

“We thank you for all your effort and attention in dealing with the site.  You have provided an excellent service and it has been a pleasure to do business with you.” – Myers Lane by Balfour Beatty

“They’re the best security firm around. The actions of their officer prevented the theft of a very valuable item. I would not hesitate to recommend them to anyone.” – Martin Henderson, Dealer Principal, Rickerby’s

“They have provided an excellent service and assisted the Port in its compliance with the International Ship and Port Facility Security Code. We would have no hesitation in recommending this company based on our experience with them.” – Jeremy Lihou, Port Manager, Port of Workington

“I was very impressed by Ultimate Security and Investigation when they traced a person I wished to find. They gave me a very honest appraisal of their chance of success and were clear about their pricing structure. They completed my commission in just a day and I would certainly recommend the Company.” – Margaret Stewart, Private Client

“I write to let you know how much we appreciate the efforts which you and your company have made to alleviate the problems which we had with attempts at theft from our property last month. The improved security systems seem to be working very efficiently and are not at all difficult to operate, a fact which instils much greater confidence than we felt previously.” Mr Plummer, Carlisle